Base | Representation |
---|---|
bin | 1010011110000… |
… | …10101101111011 |
3 | 20010021012020200 |
4 | 11033002231323 |
5 | 134441014441 |
6 | 12414253243 |
7 | 2114352210 |
oct | 517025573 |
9 | 203235220 |
10 | 87829371 |
11 | 45639563 |
12 | 254b7223 |
13 | 15271c56 |
14 | b943b07 |
15 | 7a9d7b6 |
hex | 53c2b7b |
87829371 has 24 divisors (see below), whose sum is σ = 149990880. Its totient is φ = 48456576.
The previous prime is 87829351. The next prime is 87829373. The reversal of 87829371 is 17392878.
It is not a de Polignac number, because 87829371 - 27 = 87829243 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (87829373) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22210 + ... + 25863.
It is an arithmetic number, because the mean of its divisors is an integer number (6249620).
Almost surely, 287829371 is an apocalyptic number.
87829371 is a deficient number, since it is larger than the sum of its proper divisors (62161509).
87829371 is a wasteful number, since it uses less digits than its factorization.
87829371 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 48115 (or 48112 counting only the distinct ones).
The product of its digits is 169344, while the sum is 45.
The square root of 87829371 is about 9371.7325506013. The cubic root of 87829371 is about 444.5083506693.
The spelling of 87829371 in words is "eighty-seven million, eight hundred twenty-nine thousand, three hundred seventy-one".
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